June 2024 Chemistry Regents Questions 11-20 Question Preview (ID: 63420)


The Questions In This Practice Exam Are Thoughtfully Crafted To Assess Your Knowledge And Skills. They Cover A Range Of Topics And Formats, Offering A Valuable Opportunity For Self-assessment And Preparation. TEACHERS: click here for quick copy question ID numbers.

At STP, which substance has metallic bonding?
a) argon
b) barium chloride
c) sulfur dioxide
d) titanium

How many pairs of electrons are shared between the nitrogen atoms in a molecule of N2?
a) 1
b) 2
c) 3
d) 4

Which formula represents a molecule with an asymmetrical distribution of charge?
a) Cl2
b) CO2
c) CH4
d) H2O

What occurs during this reaction?
a) Energy is released and a bond is formed.
b) Energy is released and a bond is broken.
c) Energy is absorbed and a bond is broken.
d) Energy is absorbed and a bond is formed.

The electronegativity difference between the atoms in a molecule of HF can be used to determine the
a) energy of the molecule
b) functional group of molecule
c) polarity of the bond in the molecule
d) volume of the atoms in the molecule

Which sample of matter is classified as a mixture?
a) NaCl(s)
b) CH3OH(l)
c) SO2(g)
d) KNO3(aq)

At STP, which property of tungsten remains the same for all samples of tungsten?
a) density
b) mass
c) surface area
d) thermal energy

An element is composed of atoms that must have
a) the same atomic mass
b) the same atomic number
c) a different number of protons
d) a different number of electrons

Compared to a 2.0 M aqueous solution of KI at 1.0 atm, water at 1.0 atm has a
a) lower boiling point and a lower freezing point
b) lower boiling point and a higher freezing point
c) higher boiling point and a lower freezing point
d) higher boiling point and a higher freezing point

Which statement describes the particles of an ideal gas, based on the kinetic molecular theory?
a) The particles have attractive forces between them.
b) The particles move in random, constant, straight-line motion.
c) The particles collide, increasing the total energy of the system.
d) The particles are separated by distances that are small compared to their size.

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